CLIFFS NAT RES INC

CUSIP: 18683K101 Class: COMMON STOCK

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

Note: Option positions (PUT/CALL) are excluded.

Q1 2014
Shares 24,686 Value ($000) $505 Avg Close — Range —
Q4 2013
Shares 24,904 Value ($000) $653 Avg Close — Range —
Q3 2013
Shares 24,859 Value ($000) $510 Avg Close — Range —
Q2 2013
Shares 23,390 Value ($000) $380 Avg Close — Range —